EC Form 6-K: Report of foreign private issuer, 2012

ECOPETROL S.A. Form 6-K: Report of foreign private issuer

Filings on SEC EDGAR, newest first; amendments sit with their base form. Values are as filed.

2012-12-17: Form 6-K; Period of report 2012-12-17; Description FORM 6-K; Document v330400_6k.htm.
2012-12-07: Form 6-K; Period of report 2012-12-06; Description CURRENT REPORT; Document v329900_6k.htm.
2012-11-23: Form 6-K; Period of report 2012-11-23; Description CURRENT REPORT; Document v329198_6k.htm.
2012-11-23: Form 6-K; Period of report 2012-11-23; Description CURRENT REPORT; Document v329188_6k.htm.

Filed	Form	Period of report	Description	Document
2012-12-17	6-K	2012-12-17	FORM 6-K	v330400_6k.htm
2012-12-07	6-K	2012-12-06	CURRENT REPORT	v329900_6k.htm
2012-11-23	6-K	2012-11-23	CURRENT REPORT	v329198_6k.htm
2012-11-23	6-K	2012-11-23	CURRENT REPORT	v329188_6k.htm
2012-10-31	6-K	2012-10-31	FORM 6-K	v326953_6k.htm
2012-10-19	6-K	2012-10-18	FORM 6-K	v326041_6k.htm
2012-07-25	6-K	2012-07-25	FORM 6-K	v319426_6k.htm
2012-07-16	6-K	2012-07-16	FORM 6-K	v318599_6k.htm
2012-06-25	6-K	2012-06-25	FORM 6-K	v316831_6k.htm
2012-06-15	6-K	2012-06-15	FORM 6-K	v316222_6k.htm
2012-05-22	6-K	2012-05-17	FORM 6-K	v313859_6k.htm
2012-05-11	6-K	2012-05-10	FORM 6-K	v312742_6k.htm
2012-05-07	6-K	2012-05-04	REPORT OF FOREIGN ISSUER	v312057_6k.htm
2012-05-01	6-K	2012-05-01	FORM 6-K	v311358_6k.htm
2012-04-30	6-K	2012-04-30	REPORT OF FOREIGN ISSUER	v310963_6k.htm
2012-03-23	6-K	2012-03-23	FORM 6-K	v306947_6k.htm
2012-03-23	6-K	2012-03-22	6-K	v306937_6k.htm
2012-03-23	6-K	2012-03-22	FORM 6-K	v306844_6k.htm
2012-02-27	6-K	2012-02-27	FORM 6-K	v303672_6k.htm
2012-02-22	6-K	2012-02-22	FORM 6-K	v303500_6k.htm
2012-02-22	6-K	2012-02-21	FORM 6-K	v303397_6k.htm
2012-02-21	6-K	2012-02-21	FORM 6-K	v303284_6k.htm
2012-02-16	6-K	2012-02-15	6-K	v302968_6k.htm
2012-02-06	6-K	2012-02-06	FORM 6-K	v301343_6k.htm
2012-02-01	6-K	2012-01-30	FORM 6-K	v300753_6k.htm
2012-01-03	6-K	2012-01-03	FORM 6-K	v244445_6k.htm